/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlinePurchaseInterface.h
Query for all of the user's receipts from prior purchases
void QueryReceipts ( const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & UserId, bool bRestoreReceipts, const [FOnQueryReceiptsComplete](API\Plugins\OnlineSubsystem\Interfaces\FOnQueryReceiptsComplete) & Delegate )